Xinxing Chen

Learn More
In this work, we study a novel query type, called top-<i>k,m</i> queries. Suppose we are given a set of groups and each group contains a set of attributes, each of which is associated with a ranked list of tuples, with ID and score. All lists are ranked in decreasing order of the scores of tuples. We are interested in finding the best combinations of(More)
  • 1